*{margin: 0;padding: 0;}

.scroll{width: 1200px;margin: 0 auto;margin-top: 200px;overflow: hidden;}
.scroll ul{transition: all .5s;}
.scroll ul::after{content: '';display: block;clear: both;}
.scroll ul li{float: left;list-style: none;width: 150px;text-align: center;}
.scroll ul li a img{width: 144px;margin: 3px;vertical-align: middle;}